Electrocardiogram (ECG) machine (12-channel, color screen)

Overview

• Compact, portable design with simple operation

• Accurate pacing pulse detection with automatic analysis

• Working modes: Manual / Auto / Physical Examination / Storage

• 12-channel format recording

• Freeze/Review: Replay up to 12 seconds of ECG before and after capture

• Physical Examination mode supports faster testing while saving power and paper

• Storage mode allows saving and replaying ECG without printing parameters/diagnosis

Display & Interface

• 7-inch color screen, 800 × 480 resolution

• Alphabet keyboard input

• Connectivity: USB + RS232

• Supports USB data transfer, USB flash disk and USB printer

• Optional ECG network/software integration (EXGNET)

Storage

• 12-lead waveform view

• Stores up to 250 patient records (extendable)

Printing

• High-accuracy thermal printing

• Supports 215mm roll paper and 210 × 140mm Z-fold paper

Technical parameters

Leads & sampling

• Leads: Standard 12 leads

• Lead acquisition: 12-bit / 1000Hz (12 leads simultaneously)

Modes

• MAN / AUTO / ANALYSIS

Filters

• AC filter: 50Hz / 60Hz

• EMG filter: 25Hz / 45Hz

• Anti-drift filter: 0.15Hz (adaptive)

Performance

• CMRR: ≥100 dB (with AC filter)

• Input circuit: Floating; defibrillator protection

• Input impedance: ≥50 MΩ

• Input circuit current: ≤0.05 μA

• Patient leakage current: <10 μA

• Calibration voltage: 1 mV ±2%

• Voltage tolerance: ≥±500 mV

• Time constant: ≥3.2 s

• Frequency response: 0.05–160 Hz (-3 dB)

• Noise level: <15 μVp-p

• Inter-channel interference: ≤0.5 mm

Sensitivity

• 5 / 10 / 20 / 40 / Auto (mm/mV)

Recording formats

• 3ch+, 6ch, 6ch+, 12ch

• Default Manual: 3ch+

• Default Auto: 12ch

Paper speed

• 6.25 / 12.5 / 25 / 50 mm/s (±3%)

Paper

• 210mm × 20m roll paper (standard)

• 210mm × 140mm Z-fold paper (optional)

Power

• AC: 110–230V (±10%), 50/60Hz (±1Hz), 60VA

• Built-in rechargeable battery: 14.4V, 2000mAh

Dimensions & Weight

• 330 × 270 × 72 mm

• 3.8 kg